Dec 19 20:15:14.750 INFO checking astlouisf/krampus against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:15:14.750 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/astlouisf/krampus:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:15:14.924 INFO [stdout] 403b0c0285dc2e3d067d82021ff10749727830d897e90072ad0d713e17458884
Dec 19 20:15:14.926 INFO running `"docker" "start" "-a" "403b0c0285dc2e3d067d82021ff10749727830d897e90072ad0d713e17458884"`
Dec 19 20:15:15.716 INFO [stderr]     Checking csv-core v0.1.3
Dec 19 20:15:15.716 INFO [stderr]     Checking regex v0.2.2
Dec 19 20:15:15.717 INFO [stderr]     Checking openssl v0.9.21
Dec 19 20:15:16.530 INFO [stderr]     Checking csv v1.0.0-beta.5
Dec 19 20:15:18.592 INFO [stderr]     Checking docopt v0.8.1
Dec 19 20:15:18.592 INFO [stderr]     Checking handlebars v0.29.1
Dec 19 20:15:21.377 INFO [stderr]     Checking native-tls v0.1.4
Dec 19 20:15:22.696 INFO [stderr]     Checking lettre v0.7.0
Dec 19 20:15:24.575 INFO [stderr]     Checking krampus v0.1.0 (/opt/crater/workdir)
Dec 19 20:15:26.878 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 19 20:15:26.878 INFO [stderr]   --> src/main.rs:17:5
Dec 19 20:15:26.878 INFO [stderr]    |
Dec 19 20:15:26.878 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 19 20:15:26.878 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:26.878 INFO [stderr]    |
Dec 19 20:15:26.878 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:15:26.878 INFO [stderr] 
Dec 19 20:15:26.893 INFO [stderr] warning: unused import: `lettre::smtp::SUBMISSION_PORT`
Dec 19 20:15:26.894 INFO [stderr]   --> src/main.rs:17:5
Dec 19 20:15:26.894 INFO [stderr]    |
Dec 19 20:15:26.894 INFO [stderr] 17 | use lettre::smtp::SUBMISSION_PORT;
Dec 19 20:15:26.894 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:26.894 INFO [stderr]    |
Dec 19 20:15:26.894 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:15:26.894 INFO [stderr] 
Dec 19 20:15:27.193 INFO [stderr] warning: unused variable: `n`
Dec 19 20:15:27.193 INFO [stderr]    --> src/main.rs:115:14
Dec 19 20:15:27.193 INFO [stderr]     |
Dec 19 20:15:27.193 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 19 20:15:27.193 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 19 20:15:27.193 INFO [stderr]     |
Dec 19 20:15:27.193 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:15:27.193 INFO [stderr] 
Dec 19 20:15:27.193 INFO [stderr] warning: unused variable: `sender`
Dec 19 20:15:27.193 INFO [stderr]    --> src/main.rs:162:17
Dec 19 20:15:27.193 INFO [stderr]     |
Dec 19 20:15:27.193 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 19 20:15:27.193 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 19 20:15:27.193 INFO [stderr] 
Dec 19 20:15:27.249 INFO [stderr] warning: unused variable: `n`
Dec 19 20:15:27.250 INFO [stderr]    --> src/main.rs:115:14
Dec 19 20:15:27.250 INFO [stderr]     |
Dec 19 20:15:27.250 INFO [stderr] 115 |         Some(n) => panic!("Not enough themes"),
Dec 19 20:15:27.250 INFO [stderr]     |              ^ help: consider using `_n` instead
Dec 19 20:15:27.250 INFO [stderr]     |
Dec 19 20:15:27.251 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 20:15:27.251 INFO [stderr] 
Dec 19 20:15:27.251 INFO [stderr] warning: unused variable: `sender`
Dec 19 20:15:27.251 INFO [stderr]    --> src/main.rs:162:17
Dec 19 20:15:27.251 INFO [stderr]     |
Dec 19 20:15:27.251 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 19 20:15:27.251 INFO [stderr]     |                 ^^^^^^ help: consider using `_sender` instead
Dec 19 20:15:27.251 INFO [stderr] 
Dec 19 20:15:27.340 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:27.341 INFO [stderr]    --> src/main.rs:147:9
Dec 19 20:15:27.341 INFO [stderr]     |
Dec 19 20:15:27.341 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 19 20:15:27.342 INFO [stderr]     |         ----^^^^^^
Dec 19 20:15:27.342 INFO [stderr]     |         |
Dec 19 20:15:27.342 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:15:27.342 INFO [stderr]     |
Dec 19 20:15:27.343 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:15:27.343 INFO [stderr] 
Dec 19 20:15:27.343 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:27.343 INFO [stderr]    --> src/main.rs:162:13
Dec 19 20:15:27.344 INFO [stderr]     |
Dec 19 20:15:27.344 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 19 20:15:27.344 INFO [stderr]     |             ----^^^^^^
Dec 19 20:15:27.344 INFO [stderr]     |             |
Dec 19 20:15:27.344 INFO [stderr]     |             help: remove this `mut`
Dec 19 20:15:27.344 INFO [stderr] 
Dec 19 20:15:27.357 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:15:27.357 INFO [stderr]    --> src/main.rs:127:5
Dec 19 20:15:27.357 INFO [stderr]     |
Dec 19 20:15:27.357 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 19 20:15:27.357 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:27.362 INFO [stderr]     |
Dec 19 20:15:27.362 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 20:15:27.362 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:15:27.362 INFO [stderr] 
Dec 19 20:15:27.363 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:15:27.363 INFO [stderr]    --> src/main.rs:178:13
Dec 19 20:15:27.363 INFO [stderr]     |
Dec 19 20:15:27.363 INFO [stderr] 178 |             mailer.send(&email);
Dec 19 20:15:27.363 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:27.363 INFO [stderr]     |
Dec 19 20:15:27.363 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:15:27.363 INFO [stderr] 
Dec 19 20:15:27.486 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:27.486 INFO [stderr]    --> src/main.rs:147:9
Dec 19 20:15:27.486 INFO [stderr]     |
Dec 19 20:15:27.486 INFO [stderr] 147 |     let mut emails : Vec<SimpleSendableEmail> = matches
Dec 19 20:15:27.486 INFO [stderr]     |         ----^^^^^^
Dec 19 20:15:27.486 INFO [stderr]     |         |
Dec 19 20:15:27.486 INFO [stderr]     |         help: remove this `mut`
Dec 19 20:15:27.486 INFO [stderr]     |
Dec 19 20:15:27.486 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:15:27.486 INFO [stderr] 
Dec 19 20:15:27.486 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:27.486 INFO [stderr]    --> src/main.rs:162:13
Dec 19 20:15:27.486 INFO [stderr]     |
Dec 19 20:15:27.486 INFO [stderr] 162 |         let mut sender = FileEmailTransport::new(dir);
Dec 19 20:15:27.487 INFO [stderr]     |             ----^^^^^^
Dec 19 20:15:27.487 INFO [stderr]     |             |
Dec 19 20:15:27.487 INFO [stderr]     |             help: remove this `mut`
Dec 19 20:15:27.487 INFO [stderr] 
Dec 19 20:15:27.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:15:27.491 INFO [stderr]    --> src/main.rs:127:5
Dec 19 20:15:27.492 INFO [stderr]     |
Dec 19 20:15:27.492 INFO [stderr] 127 |     handlebars.register_template_file(template_name, template_file);
Dec 19 20:15:27.492 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:27.492 INFO [stderr]     |
Dec 19 20:15:27.492 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 20:15:27.492 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:15:27.493 INFO [stderr] 
Dec 19 20:15:27.493 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 20:15:27.493 INFO [stderr]    --> src/main.rs:178:13
Dec 19 20:15:27.493 INFO [stderr]     |
Dec 19 20:15:27.493 INFO [stderr] 178 |             mailer.send(&email);
Dec 19 20:15:27.493 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
Dec 19 20:15:27.493 INFO [stderr]     |
Dec 19 20:15:27.494 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 20:15:27.494 INFO [stderr] 
Dec 19 20:15:27.565 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
Dec 19 20:15:28.675 INFO running `"docker" "inspect" "403b0c0285dc2e3d067d82021ff10749727830d897e90072ad0d713e17458884"`
Dec 19 20:15:28.994 INFO running `"docker" "rm" "-f" "403b0c0285dc2e3d067d82021ff10749727830d897e90072ad0d713e17458884"`
Dec 19 20:15:29.248 INFO [stdout] 403b0c0285dc2e3d067d82021ff10749727830d897e90072ad0d713e17458884